Patents by Inventor Michael R. Shafer

Michael R. Shafer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Diagnosis method for vehicle systems
    Patent number: 5631831
    Abstract: A data driven, multi-dimensional diagnostic method that combines vehicle system test data, vehicle attributes, symptoms, and extrinsic data to produce vehicle system diagnostics. Data are combined according to predetermined equations to yield intermediate diagnostic results. Intermediate diagnostic results are combined recursively according to fixed expressions to produce final diagnostic results relating to the state of the vehicle system under diagnosis. Fixed expressions may be algebraic, Boolean, fuzzy logic, statistical, or relate to an expert system.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: May 20, 1997
    Assignee: SPX Corporation
    Inventors: John A. Bird, Martin P. Franz, Harry M. Gilbert, Steven F. Johnson, Michael R. Shafer